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関連する概念動画

Types of Step-Growth Polymers: Polyesters01:20

Types of Step-Growth Polymers: Polyesters

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The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the...
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Plasticity00:58

Plasticity

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Plasticity is the property where an object loses its elasticity and undergoes irreversible deformation, even after the deformation forces are eliminated. If a material deforms irreversibly without increasing stress or load, then this is called ideal plasticity. For example, when a force is applied to an aluminum rod, it changes its shape, but it does not return to its original shape once the force is removed. Plastic deformation or ductility is thus a permanent deformation or change in the...
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Plasticizers01:31

Plasticizers

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Water-reducers, or plasticizers, are chemical admixtures used in concrete to improve strength and workability. These additives reduce the water-cement ratio without compromising workability, lower the cement content while maintaining the same workability, or increase workability to assist concrete placement in inaccessible areas.
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
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Plastic Deformations01:19

Plastic Deformations

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Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their...
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Polymerization generates chiral centers along the entire backbone of a polymer chain. Accordingly, the stereochemistry of the substituent group has a significant effect on polymer properties. Polymers formed from monosubstituted alkene monomers feature chiral carbons at every alternate position in the polymer backbone. Relative to the predominant orientation of substituents at the adjacent chiral carbons, the polymer can exist in three different configurations: isotactic, syndiotactic, and...
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Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...
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プラスチックの廃棄物から得られる機能的材料:応用,特性,課題

Maocai Shen1, Ruixin Jin2, Xiang Li2

  • 1School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui 243002, PR China; Engineering Research Center of Biofilm Water Purification and Utilization Technology of Ministry of Education, Anhui University of Technology, Maanshan 243032, PR China.

The Science of the total environment
|August 23, 2025
PubMed
まとめ

化学的リサイクルにより プラスチック廃棄物は 吸収やエネルギー貯蔵などの用途で 価値ある機能的材料に変わります これらのプロセスの規模を拡大することは環境の利益のために不可欠ですが,重要な要因についてはさらなる調査が必要です.

キーワード:
適用する炭素ナノチューブ高価な資源の利用MOF についてプラスチック廃棄物

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科学分野:

  • 材料科学
  • 環境化学
  • 化学工学

背景:

  • 世界的なプラスチック生産と廃棄物管理は大きな不均衡に直面しており,効果的なリサイクルソリューションの必要性を高めています.
  • プラスチック廃棄物は化学的に高価値の機能的な炭素材料と触媒にリサイクルできます.
  • 分離,触媒,センサー,エネルギー貯蔵などの分野に拡大しています

研究 の 目的:

  • プラスチックの廃棄物の吸収,分離,分解,エネルギー貯蔵における機能材料の応用を検討する.
  • 特に排水処理におけるこれらの材料の使用の見通しと課題を分析する.
  • 知識のギャップを特定し,準備とアプリケーションプロセスのスケーラビリティについて議論する.

主な方法:

  • プラスチック廃棄物の化学的リサイクルとそれからの機能的材料に関する既存の研究の文献レビュー
  • 吸収,分離,分解,エネルギー貯蔵における応用に関する分析
  • 利点,課題,そして将来の研究方向の議論

主要な成果:

  • プラスチックの廃棄物から派生した機能的な材料は,吸収,分離,分解,エネルギー貯蔵において有望である.
  • これらの材料は,排水処理のアプリケーションで利点があります.
  • 重要な知識のギャップが存在し,特にラボスケールから大規模な実施への移行に関するものです.

結論:

  • プラスチックの廃棄物を高価値の機能材料に化学的に変換することは 環境修復のための有望な戦略です
  • 準備と適用の課題に対処し,大規模な採用を可能にするためにさらなる研究が必要です.
  • 理論的研究と実用的で拡張可能なアプリケーションの間のギャップを埋めるのは,この分野を前進させるために不可欠です.